diff --git a/pkgs/development/ocaml-modules/parany/default.nix b/pkgs/development/ocaml-modules/parany/default.nix
index afe9e7d39b5..a4378016b47 100644
--- a/pkgs/development/ocaml-modules/parany/default.nix
+++ b/pkgs/development/ocaml-modules/parany/default.nix
@@ -4,6 +4,8 @@ buildDunePackage rec {
   pname = "parany";
   version = "8.0.0";
 
+  useDune2 = true;
+
   src = fetchFromGitHub {
     owner = "UnixJunkie";
     repo   = pname;